227883221 has 2 divisors, whose sum is σ = 227883222. Its totient is φ = 227883220.

The previous prime is 227883217. The next prime is 227883323. The reversal of 227883221 is 122388722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186022321 + 41860900 = 13639^2 + 6470^2 .

It is a cyclic number.

It is not a de Polignac number, because 227883221 - 2² = 227883217 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227883121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113941610 + 113941611.

It is an arithmetic number, because the mean of its divisors is an integer number (113941611).

Almost surely, 2^227883221 is an apocalyptic number.

It is an amenable number.

227883221 is a deficient number, since it is larger than the sum of its proper divisors (1).

227883221 is an equidigital number, since it uses as much as digits as its factorization.

227883221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 227883221 is about 15095.8014361610. The cubic root of 227883221 is about 610.8071559865.

The spelling of 227883221 in words is "two hundred twenty-seven million, eight hundred eighty-three thousand, two hundred twenty-one".